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////7AP 1E X <br /> 11291 Pyrites Way , Suite B <br /> ENVIROTECN , INC , Gold River , CA_ 95670 <br /> � . w " www . apexenvirotech . com <br /> July 2 , 2020 <br /> Stacy Rivera <br /> San Joaquin County <br /> Environmental Health Department <br /> 1868 E . Hazelton Ave . <br /> Stockton , CA 95205 <br /> Subject : Product Line and Dispenser Soil Sampling Workplan <br /> Pacific Car Wash <br /> 4415 Pacific Ave . <br /> Stockton, CA 95207 <br /> Apex Project No . WAL02 . 014 <br /> Dear Ms . Rivera : <br /> Apex Envirotech, Inc . (Apex) has been authorized by Walton Engineering (Walton) , to submit <br /> this workplan to sample beneath two dispensers, and beneath the removal of approximately 50 <br /> linear feet of product lines at the subject site . The site location is shown on Figure 1 and site <br /> features are depicted on Figure 2 . <br /> Soil Sampling <br /> Soil samples will be collected beneath the two dispensers (2 dispenser soil samples) and at 20W <br /> linear foot intervals beneath the product lines (4 product line soil samples) . Apex will collect <br /> one soil sample from the soil stockpile . All soil samples will be screened in the field with the <br /> use of a photoionization detector (PID) . <br /> All sampling and fieldwork will be performed in accordance with Apex Standard Operating <br /> Procedures (SOPs) included as Appendix A . <br /> Soil Analysis <br /> The soil samples will be submitted to a state- certified laboratory under COC and analyzed for : <br /> ( 916 ) 851 -0174 <br />